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Old 12-11-2009, 10:54 AM   #101
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Matt, the email has been resent... Not a problem on the delay.

Unfortunately, Flickr doesn't work here at work for me, but I think I know what you are talking about as far as the bumper extenders. It is a similar concept to what is used in Nascar to get an additional area of downforce over the front splitter and also force air into the opening for the radiator in their case. I was planning to do something similiar, but if it were prebuilt into the bumper that would be optimal for integrity and sealing. Glad you joined the conversation.
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Old 12-11-2009, 10:59 AM   #102
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here is an attached photo instead. This has a shot of most of the ideas in kinda mad max form. I'd like to refine them and make them more integrated, not bolt on.

oh - I'd also be interested in helping make some fenders that would help with aero and cooling as well. getting air out of the wheel wells would probably help cooling more than hood vents would.
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Old 12-11-2009, 11:42 AM   #103
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and here are some shots of the wheel spats I was talking about. AAA speedway was actually a cool track to test aero on because of all the grit in the air. It destroyed paint. I had a fresh spray on the whole front end of my car, and the white pock marks really show where air got trapped. The wheel spat that is white now was 100% black saturday morning. if you know how aero works, you can then see where the places that downforce is being created. A huge percent of the air that hit the frontal area got pushed around the side and hit that area. The winglets on the edge of the splitter were very effective when combined with the wheel spats.

Matt
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Old 12-11-2009, 12:09 PM   #104
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Oh my... that front end has really progressed since my last viewing!
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Old 12-11-2009, 01:18 PM   #105
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Ah ha... I see what you did there. I am still trying to figure out a way to setup cooling via the fenders myself without paying HUGE sums of money for the ones I sent you in a previous email. Like the idea of the spats too... And yes, that is a lot of paint removed in one event. o.O
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Old 12-11-2009, 01:21 PM   #106
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all I need is a set of stock fenders that I can use to mock up the design. I'm not cutting my carbon ones, but if anyone knows a set I can get near dallas for reasonable money, let me know.
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Old 12-11-2009, 01:24 PM   #107
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I will check and let you know if I come across anything Matt... Would love to save some money on an effective cooling solution rather than hood vents.

Matt, you have PM with info on a fender lead...

But yeah Robert, if you want to design something that will perform well on the track I would honestly consider working with Matt on the design of the bumper. They have more work and resources put into that one aspect than I have into my entire build...

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Old 12-11-2009, 02:07 PM   #108
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I would love to work with as many expirienced people as possible to get this to somethign that could benefit the most with the least compromises.

Matt: You seem to have some well thought out designs and would be more than happy to work with you on incorporating those. Your expirience with areo on the track would be useful in making this bumper.

I am goign to be open and say that I know little about aero in general, so any help from people who do understand it and have worked with it, has been and will continue to be, helpful.
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Old 12-11-2009, 02:34 PM   #109
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Holy crap this is going to be dope, Matt's aero knowledge and Roberts fiberglass skills = win. Thanks for helping us all out guys! I'm in for this bumper when completed and I'll look for some fenders for you Matt.
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Old 12-11-2009, 02:48 PM   #110
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there are plenty of people here who know what they are talking about. Most probably just haven't tried to build it. Happy to help.

If there is a splitter designed that is more complex than a piece of wood, would people want it?
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Old 12-11-2009, 03:07 PM   #111
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Explain?^^^
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Old 12-11-2009, 03:13 PM   #112
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My guess would be a slightly raised center section on the splitter to further accelerate the air moving under the car.
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Old 12-11-2009, 03:15 PM   #113
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I hate using cheesy japanese body kits as a reference, but these guys are onto something...
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Old 12-11-2009, 03:22 PM   #114
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Quote:
Originally Posted by Chris Swearingen View Post
My guess would be a slightly raised center section on the splitter to further accelerate the air moving under the car.


like this. middle section has a nice smooth bevel.
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Old 12-11-2009, 03:23 PM   #115
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A front diffused splitter, curving up as it goes under the bumper?

splitters diffusers airdams.pdf

like what this guys talking about?
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Old 12-11-2009, 03:28 PM   #116
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Directional vains on the bottom of the diffuser to direct airflow where it needs to go? Didn't we discuss this in some of our emails?
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Old 12-11-2009, 03:36 PM   #117
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Quote:
Originally Posted by jacob300zx View Post
A front diffused splitter, curving up as it goes under the bumper?

Attachment 14457

like what this guys talking about?
Never heard Simon McBeath referred to as "this guy" before. He kind of wrote the book on aero, okay actually several


and on the raised center section I was thinking more like
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Old 12-11-2009, 03:41 PM   #118
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hey look at that....if you take my idea of the integrated chin spoiler 'scooper'...that wouldn't be too hard:

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Old 12-11-2009, 03:48 PM   #119
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Quote:
Originally Posted by thagr81 us View Post
Directional vains on the bottom of the diffuser to direct airflow where it needs to go? Didn't we discuss this in some of our emails?
Yup since your forcing the air to follow the splitter/diffuser it needs the vains to keep the air on the splitter and not pushing out the sides...right?


Quote:
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Never heard Simon McBeath referred to as "this guy" before.
where's your link sucka
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Old 12-11-2009, 03:54 PM   #120
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Quote:
Originally Posted by jacob300zx View Post
Yup since your forcing the air to follow the splitter/diffuser it needs the vains to keep the air on the splitter and not pushing out the sides...right?
Precisely... Or ending up where you don't want it.
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